Planimeter 55. Apple map settings.

You can pick map type here from Street, Satellite an Hybrid (Satellite with street names overlay).

If you want higher zoom levels when measuring go for the Google satellite map - it has at least twice as higher zoom level, compared to Apple's satellite maps.

To compare, here is max zoom of Apple map that is currently available:

And here is the extra zoom you are getting with Google satellite map:

Related information:

Map url/sources library

Offline maps.

Import existing mbtiles, Rmaps, sqlitedb maps

Grid shows instead of an offline map, help!